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          作业2
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            @
            
              Lindixuan
            
            · Tuesday, Sep 15, 2020
            · 2 minute read
            · Update at Sep 15, 2020
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      <article style="margin-top: 2rem;"><h1 id="进制转换">进制转换</h1>
<p>① 1分12秒 = （7200）毫秒<br>
② （7A）13 = （101 ）10<br>
③ （7A）16 = （122 ）10<br>
④ （7A）16 = （1111010）2 = （172 ）8<br>
⑤ （1011011）2 = （ 133）8 = （5B）16<br>
⑥ （678）10 = （110100110）2 = （1246）8<br>
⑦ （111）2 + （101）2 = （1100）2</p>
<h1 id="名词解释">名词解释</h1>
<h2 id="information">Information</h2>
<blockquote>
<p>Information can be thought of as the resolution of uncertainty; it is that which answers the question of &ldquo;What an entity is&rdquo; and thus defines both its essence and nature of its characteristics. The concept of information has different meanings in different contexts.[1] Thus the concept becomes related to notions of constraint, communication, control, data, form, education, knowledge, meaning, understanding, mental stimuli, pattern, perception, representation, and entropy.</p>
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<h2 id="positional-notation">Positional notation</h2>
<blockquote>
<p>Positional notation (or place-value notation, or positional numeral system) denotes usually the extension to any base of the Hindu–Arabic numeral system (or decimal system). More generally, a positional system is a numeral system in which the contribution of a digit to the value of a number is the product of the value of the digit by a factor determined by the position of the digit. In early numeral systems, such as Roman numerals, a digit has only one value: I means one, X means ten and C a hundred (however, the value may be negated if placed before another digit). In modern positional systems, such as the decimal system, the position of the digit means that its value must be multiplied by some value: in 555, the three identical symbols represent five hundreds, five tens, and five units, respectively, due to their different positions in the digit string.</p>
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<h2 id="algorithm">Algorithm</h2>
<blockquote>
<p>In mathematics and computer science, an algorithm is a finite sequence of well-defined, computer-implementable instructions, typically to solve a class of problems or to perform a computation.[1][2] Algorithms are always unambiguous and are used as specifications for performing calculations, data processing, automated reasoning, and other tasks.</p>
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<h2 id="software-bug">Software bug</h2>
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<p>A software bug is an error, flaw or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways. The process of finding and fixing bugs is termed &ldquo;debugging&rdquo; and often uses formal techniques or tools to pinpoint bugs, and since the 1950s, some computer systems have been designed to also deter, detect or auto-correct various computer bugs during operations.</p>
</blockquote>
<h1 id="写出以下概念的英文单词">写出以下概念的英文单词</h1>
<p>1)十进制 decimal</p>
<p>2)二进制 binary</p>
<p>3)八进制 octal</p>
<p>4)十六进制 hexadecimal</p></article>
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